PHYS208 Fundamentals of Physics II

Hint for Ch. 30, 47P

Use a circular amperian loop of radius r centered about the axis of the coax cable. The magnetic field found from application of Ampere's law will be (mu0 ienc)/(2 pi r). The field in each region will then depend on the current enclosed by the amperian loop with that radius.

Last updated Oct. 29, 1997.
Copyright George Watson, Univ. of Delaware, 1997.